These WW2 Anti-tank blocks, in the shape of snails, used to cover the land approach, in front of Grand Battery. These snail shaped blocks are rare for British fortifications, and are possibly unique. They have now all been removed.
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These WW2 Anti-tank blocks, in the shape of snails, used to cover the land approach, in front of Grand Battery. These snail shaped blocks are rare for British fortifications, and are possibly unique. They have now all been removed.
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